flutter pub run build_runner build --delete-conflicting-outputs
[INFO] Generating build script...
[INFO] Generating build script completed, took 787ms
[WARNING] Deleted previous snapshot due to missing asset graph.
[INFO] Creating build script snapshot......
[INFO] Creating build script snapshot... completed, took 15.9s
[INFO] There was output on stdout while compiling the build script snapshot, run with `--verbose` to see it (you will need to run a `clean` first to re-snapshot).
[INFO] Initializing inputs
[INFO] Building new asset graph...
[INFO] Building new asset graph completed, took 975ms
[INFO] Checking for unexpected pre-existing outputs....
[INFO] Deleting 17 declared outputs which already existed on disk.
[INFO] Checking for unexpected pre-existing outputs. completed, took 6ms
[INFO] Running build...
[INFO] 1.2s elapsed, 11/26 actions completed.
[SEVERE] json_serializable:json_serializable on lib/entity/ReadPage.dart:
Generator cannot target libraries that have not been migrated to null-safety.
package:book/entity/ReadPage.dart:7:7
╷
7 │ class ReadPage {
│ ^^^^^^^^
╵
[SEVERE] json_serializable:json_serializable on lib/entity/GBook.dart:
Generator cannot target libraries that have not been migrated to null-safety.
package:book/entity/GBook.dart:6:7
╷
6 │ class GBook {
│ ^^^^^
╵
[SEVERE] json_serializable:json_serializable on lib/entity/ChapterList.dart:
Generator cannot target libraries that have not been migrated to null-safety.
package:book/entity/ChapterList.dart:7:7
╷
7 │ class ChapterList {
│ ^^^^^^^^^^^
╵
[SEVERE] json_serializable:json_serializable on lib/entity/TextLine.dart:
Generator cannot target libraries that have not been migrated to null-safety.
package:book/entity/TextLine.dart:6:7
╷
6 │ class TextLine {
│ ^^^^^^^^
╵
[SEVERE] json_serializable:json_serializable on lib/entity/BookVotec.dart:
Generator cannot target libraries that have not been migrated to null-safety.
package:book/entity/BookVotec.dart:4:7
╷
4 │ class BookVotec {
│ ^^^^^^^^^
╵
[SEVERE] json_serializable:json_serializable on lib/entity/BookTag.dart:
Generator cannot target libraries that have not been migrated to null-safety.
package:book/entity/BookTag.dart:6:7
╷
6 │ class BookTag {
│ ^^^^^^^
╵
[SEVERE] json_serializable:json_serializable on lib/entity/DetailVO.dart:
Generator cannot target libraries that have not been migrated to null-safety.
package:book/entity/DetailVO.dart:6:7
╷
6 │ class DetailVO {
│ ^^^^^^^^
╵
[SEVERE] json_serializable:json_serializable on lib/entity/Info.dart:
Generator cannot target libraries that have not been migrated to null-safety.
package:book/entity/Info.dart:6:7
╷
6 │ class Info {
│ ^^^^
╵
[SEVERE] json_serializable:json_serializable on lib/entity/BookInfo.dart:
Generator cannot target libraries that have not been migrated to null-safety.
package:book/entity/BookInfo.dart:8:7
╷
8 │ class BookInfo {
│ ^^^^^^^^
╵
[SEVERE] json_serializable:json_serializable on lib/entity/Chapter.dart:
Generator cannot target libraries that have not been migrated to null-safety.
package:book/entity/Chapter.dart:6:7
╷
6 │ class Chapter {
│ ^^^^^^^
╵
[SEVERE] json_serializable:json_serializable on lib/entity/TopBook.dart:
Generator cannot target libraries that have not been migrated to null-safety.
package:book/entity/TopBook.dart:6:7
╷
6 │ class TopBooks {
│ ^^^^^^^^
╵
[SEVERE] json_serializable:json_serializable on lib/entity/Book.dart:
Generator cannot target libraries that have not been migrated to null-safety.
package:book/entity/Book.dart:6:7
╷
6 │ class Book {
│ ^^^^
╵
[SEVERE] json_serializable:json_serializable on lib/entity/ParseContentConfig.dart:
Generator cannot target libraries that have not been migrated to null-safety.
package:book/entity/ParseContentConfig.dart:6:7
╷
6 │ class ParseContentConfig {
│ ^^^^^^^^^^^^^^^^^^
╵
[SEVERE] json_serializable:json_serializable on lib/entity/SearchItem.dart:
Generator cannot target libraries that have not been migrated to null-safety.
package:book/entity/SearchItem.dart:6:7
╷
6 │ class SearchItem {
│ ^^^^^^^^^^
╵
[SEVERE] json_serializable:json_serializable on lib/entity/HotBook.dart:
Generator cannot target libraries that have not been migrated to null-safety.
package:book/entity/HotBook.dart:6:7
╷
6 │ class HotBook {
│ ^^^^^^^
╵
[SEVERE] json_serializable:json_serializable on lib/entity/TextPage.dart:
Generator cannot target libraries that have not been migrated to null-safety.
package:book/entity/TextPage.dart:7:7
╷
7 │ class TextPage {
│ ^^^^^^^^
╵
[SEVERE] json_serializable:json_serializable on lib/entity/TopResult.dart:
Generator cannot target libraries that have not been migrated to null-safety.
package:book/entity/TopResult.dart:7:7
╷
7 │ class TopResult {
│ ^^^^^^^^^
╵
[INFO] Running build completed, took 2.7s
[INFO] Caching finalized dependency graph...
[INFO] Caching finalized dependency graph completed, took 67ms
[SEVERE] Failed after 2.8s
那我升版本或者降到无null safety版本 之后再运行build报错
Failed to build build_runner:build_runner:
/usr/local/flutter/.pub-cache/hosted/pub.flutter-io.cn/analyzer-0.41.2/lib/src/error/best_practices_verifier.dart:258:50: Error: The property 'displayString' is defined in multiple extensions for 'TargetKind' and neither is more specific.
- 'TargetKind' is from 'package:meta/meta_meta.dart' ('/usr/local/flutter/.pub-cache/hosted/pub.flutter-io.cn/meta-1.7.0/lib/meta_meta.dart').
Try using an explicit extension application of the wanted extension or hiding unwanted extensions from scope.
var kindNames = kinds.map((kind) => kind.displayString).toList()
^^^^^^^^^^^^^
/usr/local/flutter/.pub-cache/hosted/pub.flutter-io.cn/analyzer-0.41.2/lib/src/error/best_practices_verifier.dart:1950:14: Context: This is one of the extension members.
String get displayString {
^^^^^^^^^^^^^
/usr/local/flutter/.pub-cache/hosted/pub.flutter-io.cn/meta-1.7.0/lib/meta_meta.dart:91:14: Context: This is one of the extension members.
String get displayString {
^^^^^^^^^^^^^
/usr/local/flutter/.pub-cache/hosted/pub.flutter-io.cn/analyzer-0.41.2/lib/src/error/best_practices_verifier.dart:260:36: Error: The getter 'commaSeparatedWithOr' isn't defined for the class 'List<dynamic>'.
- 'List' is from 'dart:core'.
Try correcting the name to the name of an existing getter, or defining a getter or field named 'commaSeparatedWithOr'.
var validKinds = kindNames.commaSeparatedWithOr;
^^^^^^^^^^^^^^^^^^^^
请问有没有保持版本可以编译通过的办法
flutter pub outdated --mode=null-safety
Showing dependencies that are currently not opted in to null-safety.
[✗] indicates versions without null safety support.
[✓] indicates versions opting in to null safety.
Package Name Current Upgradable Resolvable Latest
direct dependencies:
flutter_statusbar_manager ✗2.0.0 (git) ✗2.0.0 (git) ✗2.0.0 (git) ✗2.0.0 (git)
flutter_swiper ✗1.1.6 ✗1.1.6 ✗1.1.6 ✗1.1.6
dev_dependencies:
build_runner ✗1.12.2 ✗1.12.2 ✓2.1.5 ✓2.1.5
修改了entity HotBook.dart 对象属性之后 重新生成HotBook.g.dart
发现build_runner被注释,尝试使用原版本build报错
那我升版本或者降到无null safety版本 之后再运行build报错
请问有没有保持版本可以编译通过的办法
或者如果要升级到null-safety的话
flutter_statusbar_manager flutter_swiper
这两个package又好像没办法直接升 有办法吗